Standard Deviation = σ = square root (243.0) = 15.6%InterpretationReturns will be w/in 1 stand. dev. of expected return 68% of the time:-3.6% to 27.6%Returns will be w/in 2 stand. devs. of expected return 96% of the time:-19.2% to 43.2%Returns will be w/in 3 stand. devs. of expected return 99.7% of the time:-34.8% to 58.8%Coefficient of Variation (CV)

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